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#ifndef _SVT_FILEVIEW_HXX
#define _SVT_FILEVIEW_HXX

#include "bf_svtools/svtdllapi.h"

#include <com/sun/star/uno/Sequence.h>
#include <com/sun/star/ucb/XContent.hpp>

#include <vcl/ctrl.hxx>
#include <vcl/image.hxx>
#include <vcl/fixed.hxx>
#include <vcl/button.hxx>
#include <vcl/dialog.hxx>

namespace binfilter
{

// class SvtFileView -----------------------------------------------------

#define FILEVIEW_ONLYFOLDER         0x0001
#define FILEVIEW_MULTISELECTION     0x0002

#define FILEVIEW_SHOW_TITLE         0x0010
#define FILEVIEW_SHOW_SIZE          0x0020
#define FILEVIEW_SHOW_DATE          0x0040
#define FILEVIEW_SHOW_ALL           0x0070

class ViewTabListBox_Impl;
class SvtFileView_Impl;
class SvLBoxEntry;
class HeaderBar;
class IUrlFilter;

/// the result of an action in the FileView
enum FileViewResult
{
    eSuccess,
    eFailure,
    eTimeout,
    eStillRunning
};

/// describes parameters for doing an action on the FileView asynchronously
struct FileViewAsyncAction
{
    sal_uInt32  nMinTimeout;    /// minimum time to wait for a result, in milliseconds
    sal_uInt32  nMaxTimeout;    /// maximum time to wait for a result, in milliseconds, until eTimeout is returned
    Link        aFinishHandler; /// the handler to be called when the action is finished. Called in every case, no matter of the result

    FileViewAsyncAction()
    {
        nMinTimeout = nMaxTimeout = 0;
    }
};

class  SvtFileView : public Control
{
private:
    SvtFileView_Impl*       mpImp;

    void                    OpenFolder( const ::com::sun::star::uno::Sequence< ::rtl::OUString >& aContents );

    DECL_LINK(              HeaderSelect_Impl, HeaderBar * );
    DECL_LINK(              HeaderEndDrag_Impl, HeaderBar * );

protected:
    virtual void GetFocus();

public:
    SvtFileView( Window* pParent, const ResId& rResId, sal_Bool bOnlyFolder, sal_Bool bMultiSelection );
    SvtFileView( Window* pParent, const ResId& rResId, sal_Int8 nFlags );
    ~SvtFileView();

    const String&           GetViewURL() const;
    String                  GetURL( SvLBoxEntry* pEntry ) const;
    String                  GetCurrentURL() const;

    sal_Bool                GetParentURL( String& _rParentURL ) const;
    sal_Bool                CreateNewFolder( const String& rNewFolder );

    void                    SetHelpId( sal_uInt32 nHelpId );
    sal_uInt32              GetHelpId( ) const;
    void                    SetSizePixel( const Size& rNewSize );
    using Window::SetPosSizePixel;
    virtual void            SetPosSizePixel( const Point& rNewPos, const Size& rNewSize );

    /** initialize the view with the content of a folder given by URL, and aply an immediate filter

        @param rFolderURL
            the URL of the folder whose content is to be read
        @param rFilter
            the initial filter to be applied
        @param pAsyncDescriptor
            If not <NULL/>, this struct describes the parameters for doing the
            action asynchronously.
    */
    FileViewResult          Initialize(
                                const String& rFolderURL,
                                const String& rFilter,
                                const FileViewAsyncAction* pAsyncDescriptor
                            );

    /** initialze the view with a sequence of contents, which have already been obtained elsewhere

        This method will never return <member>eStillRunning</member>, since it will fill the
        view synchronously
    */
    sal_Bool                Initialize( const ::com::sun::star::uno::Sequence< ::rtl::OUString >& aContents );

    /** initializes the view with the content of a folder given by an UCB content
    */
    sal_Bool                Initialize( const ::com::sun::star::uno::Reference< ::com::sun::star::ucb::XContent>& _xContent, const String& rFilter );

    /** reads the current content of the current folder again, and applies the given filter to it

        Note 1: The folder is really read a second time. This implies that any new elements (which were
        not present when you called Initialize the last time) are now displayed.

        Note 2: This method must not be called when you previously initialized the view from a sequence
        of strings, or a UNO content object.

        @param rFilter
            the filter to be applied
        @param pAsyncDescriptor
            If not <NULL/>, this struct describes the parameters for doing the
            action asynchronously.
    */
    FileViewResult          ExecuteFilter(
                                const String& rFilter,
                                const FileViewAsyncAction* pAsyncDescriptor
                            );

    /** cancels a running async action (if any)

        @seealso Initialize
        @seealso ExecuteFilter
        @seealso FileViewAsyncAction
    */
    void                    CancelRunningAsyncAction();

    /** initializes the view with the parent folder of the current folder

        @param rNewURL
            the URL of the folder which we just navigated to
        @param pAsyncDescriptor
            If not <NULL/>, this struct describes the parameters for doing the
            action asynchronously.
    */
    FileViewResult          PreviousLevel(
                                const FileViewAsyncAction* pAsyncDescriptor
                            );

    void                    SetNoSelection();
    void                    ResetCursor();

    void                    SetSelectHdl( const Link& rHdl );
    void                    SetDoubleClickHdl( const Link& rHdl );
    void                    SetOpenDoneHdl( const Link& rHdl );

    ULONG                   GetSelectionCount() const;
    SvLBoxEntry*            FirstSelected() const;
    SvLBoxEntry*            NextSelected( SvLBoxEntry* pEntry ) const;
    void                    EnableAutoResize();
    void                    SetFocus();

    void                    EnableContextMenu( sal_Bool bEnable );
    void                    EnableDelete( sal_Bool bEnable );
    void                    EnableNameReplacing( sal_Bool bEnable = sal_True );
                                // translate folder names or display doc-title instead of file name
                                // EnableContextMenu( TRUE )/EnableDelete(TRUE) disable name replacing!

                            // save and load column size and sort order
    String                  GetConfigString() const;
    void                    SetConfigString( const String& rCfgStr );

    void                    SetUrlFilter( const IUrlFilter* _pFilter );
    const IUrlFilter*       GetUrlFilter( ) const;

    void                    EndInplaceEditing( bool _bCancel );

protected:
    virtual void            StateChanged( StateChangedType nStateChange );
};

// struct SvtContentEntry ------------------------------------------------

struct SvtContentEntry
{
    sal_Bool    mbIsFolder;
    UniString   maURL;

    SvtContentEntry( const UniString& rURL, sal_Bool bIsFolder ) :
        mbIsFolder( bIsFolder ), maURL( rURL ) {}
};

// -----------------------------------------------------------------------
// QueryDeleteDlg_Impl
// -----------------------------------------------------------------------

enum QueryDeleteResult_Impl
{
    QUERYDELETE_YES = 0,
    QUERYDELETE_NO,
    QUERYDELETE_ALL,
    QUERYDELETE_CANCEL
};

class  QueryDeleteDlg_Impl : public ModalDialog
{
    FixedText               _aEntryLabel;
    FixedText               _aEntry;
    FixedText               _aQueryMsg;

    PushButton              _aYesButton;
    PushButton              _aAllButton;
    PushButton              _aNoButton;
    CancelButton            _aCancelButton;

    QueryDeleteResult_Impl  _eResult;

private:

    DECL_DLLPRIVATE_STATIC_LINK( QueryDeleteDlg_Impl, ClickLink, PushButton* );

public:

                            QueryDeleteDlg_Impl( Window* pParent,
                                                 const String& rName );

    void                    EnableAllButton() { _aAllButton.Enable( sal_True ); }
    QueryDeleteResult_Impl  GetResult() const { return _eResult; }
};

}

#endif // _SVT_FILEVIEW_HXX

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